.table {
    width: 542px;
    height: 542px;
    margin: 30px auto 20px;
    border: 1px #a5a5a5 solid;
    border-radius: 4px;
}

.row {
    height: 60px;
}

.row.line {
    border-top: black 2px solid;
}

.cell.column {
    border-left: black 2px solid;
}

.cell {
    display: inline-block;
    border: 1px #a5a5a5 solid;
    border-radius: 4px;
}

.content {
    display: block;
    width: 58px;
    height: 58px;
    line-height: 58px;
    font-size: 26px;
    float: left;
}

.wrongNumber {
    background: lightcoral !important;
}

.sameNumber {
    background: lightgray;
}

.cellClick {
    background: #a5a5a5;
}

.chooseNumber {
    padding: 5px 10px;
    margin: 10px;
    font: 26px bolder 黑体;
    width: 30px;
    height: 30px;
    background: lightgray;
    border-radius: 3px;
}

.chooseNumber:hover {
    background: #a5a5a5;
}

.clickButton {
    position: fixed;
    right: 120px;
    font-size: 20px;
    padding: 5px 10px;
    color: black;
    background: #fbf9f9;
    border-radius: 8px;
    box-shadow: lightgray 4px 4px 4px;
    border: lightgray 1px solid;
    width: 100px;
    height: 40px;
}

.clickButton:hover {
    background: dodgerblue;
    color: white !important;
}

.chooseLevel {
    position: fixed;
    top: 200px;
    right: 120px;
    border-radius: 8px;
    box-shadow: lightgray 4px 4px 4px;
    border: lightgray 1px solid;
    width: 100px;
}

.reset {
    top: 100px;
}

.clear {
    top: 50px;
}

.timeUsed{
    top: 150px;
    width: 78px;
    height: 28px;
}